1 Edgehill, London Road, Harrow, HA1 3JQ

1 Edgehill is a two-bedroom detached house in Harrow (HA1 3JQ). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to before 1900 and council tax band D. At 73 m² this is the largest unit on EPC record across the building (42–73 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (51 versus a best of 72). The latest certificate (November 2013) shows an E (score 51), well below the UK norm with real room to improve. Earlier certificates rated it D (April 2010); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to D (score 59). The latest certificate is from November 2013, so improvements made since then won't be reflected.

Across 2004–2011, sale prices on this property compounded at 1.1% per year. Today's modelled estimate of £376,000 sits 50.4% above the 2011 sale of £249,950. On a £-per-square-foot basis, the last sale (£318/sq ft) was about 28.9% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). On the market in August 2011 and unlisted since — roughly 15 years.